| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Citrobacter spp. |
>4 |
>128 |
0.5 － >128 |
Cefazolin (Ancef, Kefzol, Zolicef)  |
1438 |
| Citrobacter spp. |
8 |
>32 |
1 － >32 |
Cefetamet |
1494 |
| Citrobacter spp. |
>16 |
>32 |
2 － >32 |
Amoxicillin-clavulanate |
493 |
| Citrobacter spp. |
32 |
>32 |
0.12 － >32 |
Ceftibuten (Cedax) |
1494 |
| Citrobacter spp. |
32 |
>32 |
0.5 － >32 |
Cefteram |
1494 |
| Citrobacter spp. |
32 |
>32 |
? － ? |
Cephalothin (Cefalotin, Keflin, Seffin) |
1389 |
| Citrobacter spp. |
64 |
>128 |
8 － >128 |
Cefaclor (Ceclor, Ceclor CD) |
1494 |
| Citrobacter spp. |
- |
0.06 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
341 |
| Citrobacter spp. |
- |
0.12 |
? － ? |
Levofloxacin (Levaquin, Quixin) |
341 |
| Citrobacter spp. |
- |
0.13 |
? － ? |
Clinafloxacin (PD 127391) |
341 |
| Citrobacter spp. |
- |
0.25 |
? － ? |
Gatifloxacin (Tequin) |
341 |
| Citrobacter spp. |
- |
0.25 |
? － ? |
Moxifloxacin (BAY 12-8039, Avelox) |
341 |
| Citrobacter spp. |
- |
0.25 |
? － ? |
Ofloxacin (Floxin) |
341 |
| Citrobacter spp. |
- |
0.25 |
? － ? |
Sparfloxacin (AT-4140, Zagam) |
341 |
| Citrobacter spp. |
- |
0.25 |
? － ? |
Trovafloxacin (Trovan) |
341 |
| Citrobacter spp. |
- |
0.5 |
? － ? |
Grepafloxacin (Raxar) |
341 |
| Citrobacter spp. |
- |
- |
<=1 － >64 |
Aztreonam (Azactam) |
1481 |
| Citrobacter spp. |
- |
- |
<=1 － >64 |
Cefotaxime (Cephotaxime, Claforan) |
1481 |
| Citrobacter spp. |
- |
- |
<=1 － >64 |
Ceftriaxone (Rocephin) |
1481 |
| Citrobacter spp. |
- |
- |
<=2 － >128 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
1481 |
| Citrobacter spp. |
- |
- |
10 － ? |
Acacia nilotica (Acidic fraction) |
1240 |
| Citrobacter spp. |
- |
- |
16 － >16 |
Cefpodoxime |
1481 |
| Citrobacter spp. |
- |
- |
800 － ? |
Oxyfedrine |
925 |
| Citrobacter spp. (tetracycline-resistant) |
0.5 |
2 |
0.12 － 4 |
Tigecycline (GAR-936, Tigacyl) |
158 |
| Citrobacter spp. (tetracycline-susceptible) |
0.25 |
0.5 |
0.06 － 2 |
Tigecycline (GAR-936, Tigacyl) |
158 |